265   bool isSupportedStep(const SCEV* Step);
509 bool LoopPredication::isSupportedStep(const SCEV* Step) {  in isSupportedStep()  argument
510   return Step->isOne() || (Step->isAllOnesValue() && EnableCountDownLoop);  in isSupportedStep()
710   auto *Step = RangeCheckIV->getStepRecurrence(*SE);  in widenICmpRangeCheck()  local
713   if (!isSupportedStep(Step)) {  in widenICmpRangeCheck()
729   assert(Step->getType() ==  in widenICmpRangeCheck()
732   if (Step != CurrLatchCheck.IV->getStepRecurrence(*SE)) {  in widenICmpRangeCheck()
737   if (Step->isOne())  in widenICmpRangeCheck()
741     assert(Step->isAllOnesValue() && "Step should be -1!");  in widenICmpRangeCheck()
894   auto *Step = Result->IV->getStepRecurrence(*SE);  in parseLoopLatchICmp()  local
895   if (!isSupportedStep(Step)) {  in parseLoopLatchICmp()
896     LLVM_DEBUG(dbgs() << "Unsupported loop stride(" << *Step << ")!\n");  in parseLoopLatchICmp()
900   auto IsUnsupportedPredicate = [](const SCEV *Step, ICmpInst::Predicate Pred) {  in parseLoopLatchICmp()  argument
901     if (Step->isOne()) {  in parseLoopLatchICmp()
905       assert(Step->isAllOnesValue() && "Step should be -1!");  in parseLoopLatchICmp()
912   if (IsUnsupportedPredicate(Step, Result->Pred)) {  in parseLoopLatchICmp()